Move solution and projects to src

src/Ryujinx.Audio/Integration/IHardwareDeviceDriver.cs

@@ -0,0 +1,36 @@
+using Ryujinx.Audio.Common;
+using Ryujinx.Memory;
+using System;
+using System.Threading;
+
+namespace Ryujinx.Audio.Integration
+{
+    /// <summary>
+    /// Represent an hardware device driver used in <see cref="Output.AudioOutputSystem"/>.
+    /// </summary>
+    public interface IHardwareDeviceDriver : IDisposable
+    {
+        public enum Direction
+        {
+            Input,
+            Output
+        }
+
+        IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount, float volume = 1f);
+
+        ManualResetEvent GetUpdateRequiredEvent();
+        ManualResetEvent GetPauseEvent();
+
+        bool SupportsDirection(Direction direction);
+        bool SupportsSampleRate(uint sampleRate);
+        bool SupportsSampleFormat(SampleFormat sampleFormat);
+        bool SupportsChannelCount(uint channelCount);
+
+        static abstract bool IsSupported { get; }
+
+        IHardwareDeviceDriver GetRealDeviceDriver()
+        {
+            return this;
+        }
+    }
+}